SN74LS629D

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  "slug": "sn74ls629d",
  "title": "SN74LS629D",
  "brief": "Texas Instruments Voltage Controlled Oscillators (VCOs), SOIC-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "SN74LS629D",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Voltage Controlled Oscillators (VCOs)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74ls628",
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    "distributor_links": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
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    },
    "pins": [
      {
        "number": "1",
        "name": "2FC",
        "type": "input",
        "description": "Frequency-control voltage input for VCO 2, which sets its output frequency together with the external capacitor."
      },
      {
        "number": "2",
        "name": "1FC",
        "type": "input",
        "description": "Frequency-control voltage input for VCO 1, which sets its output frequency together with the external capacitor."
      },
      {
        "number": "3",
        "name": "1RNG",
        "type": "input",
        "description": "Frequency-range voltage input for VCO 1."
      },
      {
        "number": "4",
        "name": "1CX1",
        "type": "passive",
        "description": "External timing capacitor or crystal connection 1 for VCO 1."
      },
      {
        "number": "5",
        "name": "1CX2",
        "type": "passive",
        "description": "External timing capacitor or crystal connection 2 for VCO 1."
      },
      {
        "number": "6",
        "name": "1EN",
        "type": "input",
        "description": "Active-low enable for VCO 1: low enables the output, high disables the oscillator and drives 1Y high."
      },
      {
        "number": "7",
        "name": "1Y",
        "type": "output",
        "description": "Square-wave output of VCO 1 with a duty cycle of approximately 50 percent, high when disabled."
      },
      {
        "number": "8",
        "name": "OSC GND",
        "type": "power_in",
        "description": "Ground for the oscillator and frequency-control circuits, separate from the output-section GND."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground for the enable, synchronization-gating and output sections."
      },
      {
        "number": "10",
        "name": "2Y",
        "type": "output",
        "description": "Square-wave output of VCO 2 with a duty cycle of approximately 50 percent, high when disabled."
      },
      {
        "number": "11",
        "name": "2EN",
        "type": "input",
        "description": "Active-low enable for VCO 2: low enables the output, high disables the oscillator and drives 2Y high."
      },
      {
        "number": "12",
        "name": "2CX2",
        "type": "passive",
        "description": "External timing capacitor or crystal connection 2 for VCO 2."
      },
      {
        "number": "13",
        "name": "2CX1",
        "type": "passive",
        "description": "External timing capacitor or crystal connection 1 for VCO 2."
      },
      {
        "number": "14",
        "name": "2RNG",
        "type": "input",
        "description": "Frequency-range voltage input for VCO 2."
      },
      {
        "number": "15",
        "name": "OSC VCC",
        "type": "power_in",
        "description": "Supply for the oscillator and frequency-control circuits, separate from the output-section VCC."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply for the enable, synchronization-gating and output sections; a single 5-V supply can power both VCC and OSC VCC."
      }
    ],
    "provenance": {
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74ls628",
        "pages": 28,
        "sha256": "742c0c399ac9ea17",
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        "total": 16,
        "described": 16,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16",
      "Category": "Crystals, Oscillators, Resonators",
      "Pins": "16"
    }
  },
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  "discovery_pitch": "SN74LS629D (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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